Fotasy AFTM Tamron Adaptall Manual Lens to Sony Minolta DSLR Camera Adapter Ring (Black) The ring allows Tamron Adapt all Manual Lens to be used on Sony Alpha Digital cameras (film SLR and digital SLR) For Sony DSLR Camera adapter Ring, for Sony Alpha a99 a900 a850 a700 a77 a65 a58 a55 a35 a33 a580 a390 a380 a350 a330 a300 a290 a230 a200 a100 Fits Tamron Classic Adapt all I & II Manual Lenses. Pals note: This adapter does NOT fit Tamron AF Lenses. The adapter is brand new, and made of brass copper